romney has to win 47% of them. santorum has to win 67%. >> what has cost romney so far? financially romney and his allies have spent $45 million. that's $12.40 per vote. by contrast, santorum and his allies have spent $3 per vote, a relative bargain. let's look at the political cost. how negative have the romney tv ads been? 86% of the ads from romney have been negative and that too has exacted a price. so how popular is romney now? last september more americans had a favorable view of romney than an unfavorable one. it's now the opposite. more americans see him unfavorably. dia diane, preliminary exit polls indicate mitt romney may be facing a much more welcoming electorate in illinois than mississippi or alabama. he may have been better able to relate to the average voter. >> thank you, jake. and here's a photograph for the history books, queen elizabeth celebrating her diamond jubilee, marking 60 years on the thrown. among the 400 guests at westminster hall, the queen chose to single out one person for thanks, her 90-year-old husband, prince philip. >> prince philip,